Disney Minnie Mouse Backpack for Girls, Kids ~ 3 Pc Back to School Bundle with 16" Minnie School Bag, Water Bottle and Stickers | Minnie Mouse School Supplies Set. This Minnie Mouse backpack set for girls and kids comes with one 16" Minnie Mouse school backpack with padded straps, side netting, front pocket, and beautiful Minnie Mouse design. BPA free. Perfect as Disney Minnie Mouse school supplies, this Minnie Mouse school bag is a great fit for any fan of Minnie. The Minnie Mouse school backpack set also includes a 16 oz reusable Beach Kids water bottle, the perfect size for storing in your new Minnie school bag! Officially licensed Disney Minnie Mouse school supplies. The Minnie Mouse backpack for toddlers, kids, and girls also comes with bonus Minnie Mouse rhinestone stickers and a Beach Kids princess door hanger!